#include<bits/stdc++.h>
using namespace std;
#define int long long
int r[100005],mx;
signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        int num;
        scanf("%lld",&num);
        r[num]++;
    }
    for(int i=0;i<=100002;i++) mx=max(mx,r[i]);
    cout<<mx;
    return 0;
}
